Unitary spinal disc implant with at least one conic protrusion



FIG. 1 is a side elevation view showing our new design for a unitary spinal disc implant with at least one conic protrusion on one or more bearing surfaces;

FIG. 2 is a top plan elevation view of FIG. 1;

FIG. 3 is a top perspective view of FIG. 1;

FIG. 4 is a bottom perspective view of FIG. 1, wherein the central conic protrusion illustrates a cone having a blind hole in the center thereof; and,

FIG. 5 is another top perspective view of FIG. 1, without a conic projection on the top surface. 

CLAIM The ornamental design for a unitary spinal disc implant with at least one conic protrusion, substantially as shown and described. 